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Synonyms

nuclear physics

American  
[noo-klee-er fiz-iks, nyoo-] / ˈnu kli ər ˈfɪz ɪks, ˈnju- /

noun

(used with a singular verb)
  1. the branch of physics that deals with the behavior, structure, and component parts of atomic nuclei.


nuclear physics British  

noun

  1. (functioning as singular) the branch of physics concerned with the structure and behaviour of the nucleus and the particles of which it consists

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

nuclear physics Scientific  
  1. The scientific study of the structure and behavior atomic nuclei.

  2. See also neutron proton strong force


Pronunciation

See nuclear ( def. ).

Other Word Forms

Etymology

Origin of nuclear physics

First recorded in 1930–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

This holds the same profound implications for defense and intelligence today as nuclear physics did 80 years ago.

From The Wall Street Journal Mar. 23, 2026

"Did it form by stripping the outside of a star, like 'normal' black widow systems are formed? Probably not, because nuclear physics does not make pure carbon."

From Science Daily Jan. 1, 2026

It’s going from social media and crypto into nuclear physics.

From Barron's Dec. 19, 2025

With her family's support, she returned to complete her degree and later earned an MSc in nuclear physics at the University of the Western Cape, graduating with distinction.

From BBC Feb. 10, 2025

Within the decade, Oppenheimer’s theoretical teachings and Ernest Lawrence’s cyclotron would transform Berkeley into very much Caltech’s superior—no longer a desert but the preeminent center of nuclear physics in the world.

From "Big Science" by Michael Hiltzik

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